#include <stdio.h>
int main()
{
	float a,b,c,t;
	scanf("%f,%f,%f",&a,&b,&c);
	if(a>b)
	{
		t=a;
		a=b;
		b=t;
		
	}
	if(a>c)
	{
		t=a;
		a=c;
		c=t;
		 
	}
	if(b>c){
		t=a;
		a=c;
		c=t;
		
	}
	printf("%5.2f,%5.2f,%5.2f\n",a,b,c);
	return 0;
 } 
